Arrangement for the wet treatment of spinning cakes, etc.



ETC

Dec. 25, 1934.

F. RATHGEBER ET AL.

ARRANGEMENT FOR THE WET TREATMENT OF SPINNING CAKES,

1 W W Wm WM fizz m a Z W a W 4 f w n w T N M v H m M h N m w m \NNN M N W[ HHU W ME. N

w w a Y a N N N N N Dec. 25, 1934- F. RATHGEBER ET AL 1,935,621

ARRANGEMENT FOR THE WET TREATMENT OF SPINNING CAKES, ETC

Filed Jan. 12, 1931 4 Sheets-Sheet 2 0. M, A 7% @Z c i H5 6% 0 r I .n e 4} f I Dec 25, 1934.

F. RATHGEBER ET AL ARRANGEMENT FOR THE WET TREATMENT OF SPINNING CAKES, ETC

Filed Jan. 12, 1931 4 Sheets-Sheet 5 3 wu W5 fn/inm/Faffig ebe);

lI a/fer 56/90/41,

filo/f Flgesak.

F. RATHGEBER ET AL 1,985,621

ARRANGEMENT FOR THE WET TREATMENT OF SPINNING CAKES, ETC

Dec. 25 1934.

Filed Jan. 12, 1931 4 Sheets-Sheet 4 as we a6 as a o n 38 vn ub o Patented Dec. 25, 1934 vUNITED STATES e ;9,; g 1 ;fi;' ARRANGEMENT FOR THE WET TREATMENT or srmnms cn ns,,;n'ro .i V Ferdinand Rathgeberiflnrnhem, Holland, Walter Schulz, Viktor Beplatc, andyAdolf Ruesch, Sydowsau, near Stcttin, Germany, ,assi'gnors,

to North American Rayon Corporation," New 3 York, N. Y., a corporation of Delaware Application January 12,

1931, Serial: Nd. 508,364

In Germany January 11, 1930' 20 Claims.

The process and arrangement in question refer to the wet treatment of spinning cakes, etc. in which the spinning cakes'are hung uponwashing sticks and pass through dripping baths. Ac-

i cording to the process the carrying sticks, for the sake of brevity referred to as washing sticks, are arranged in several rows and-are laid into'the grooves which have been cut on both sides of the machine frame. These washing sticks are trans- 10- ported mechanically'from groove to groove. This transportation of the washing sticks requires a comparatively short time and the washing sticks may thus be exposed somewhat longer to the drip washing. In order to obtain an intensiveand thoroughwashingfthe spinning cakes are turned or rotated mechanically on each row by turning the cakes for instance-[half a revolution so that the hanging end will lie on the stick on the next following groove. In order to improve this process still further the spinning cakes, which are to be subjected to the'wet treatment; are wrapped in suitablymeshed cloth covers in order to prevent any damage to the yarn when the cakes are turned. For instance, for this purpose,

knitted viscose material in the form of hose may be used, in which the cake is wrapped and the two free ends of the hose may be slipped within the cake by which means the spinning cake is covered like a ring. According to this process the washing liquid is used in the same manner for several or all rows of the drip washing 'zone and is allowed to drip from row to row, Provision has also been made so that the liquids of each upper row are collected above each lower row and are distributed by means oia suitable distribution arrangement in the same way as on the upper-row. f

Besides the usual dripping grooves] dripping boxes have proven especially satisfactory which may cover several washing sticks and which con tain several rows of dripping holes which are located in depressions in the bottom of the boxes, and arranged in rows above the various wash'- 45 ing sticks. According to the process diiierent kinds of dripping or treating baths may be used in the various dripping areas which follow each other so that part or all of the wet treatment operation may be efiected in proper sequence 50 such as is required forthe spinning cakesoffcertain kinds. Thus, the viscose rayon may be freed from saltsand acids, desulphurized, bleached,v subjected to various acidifying operations, thorough washing, avivage, oiling and even sizing in.

55 'proper sequence.

The arrangement" consists in an oblong fixed frame scaffold which has a channel-like. space in the interior thereoi. "On both-side's of the inte-.

rior, lengthwise "traverse ledges are fixed: rigidly,

according to the dilier'cnt rows, and have grooves for properlyplacingthe-washing sticks. .Each" row has movable carrying scaffolds 'hanging'oncarrying levers or indirectly on cranksin order that the carrying frame maybe moved. The car rying frames also'have grooved'carryingledges for the sticks and the grooves lieintheir normal: position besides the grooves of the fixed ledges.

With the suitable groove "Intervals and crank lengths the sticksfmay be moved in regular in'-' tervals from one to the'ne-xt fol-lowing groove of the fixed frame when the crank system is in movement. The carrying iramescf all the rows may be-fixed to-the' same carrying Ieversand cranks, and all cranks or drive shafts may be moved by a common drive shaft'situated lengthwise of the machine by meansofhelical' gears beveled gears, etc. In order to keep the weight of the movable carrying frames-clown to a oertain limitand to' reduce the useoi the" driving mechanism, it is'advisable to divide the carrying frame into several jconnecting'divisi'ons and to position the cranks on adjacent divisions'at 180 from each other, thus efi'ecting a weight balance:

Inarrangingthe ends of the movable carrying;

be passed "on irom'one movable carrylngi'rarne" cific spinning stick must be turned, an additional arrangement is provided by means of which the spinning cakes are turned or turnedover a'ce'r-' tain amount. For instance, this may be done at the moment where the sticks with the spinning cakes areftransported from one groove to the other.

In order to arrange thefrevolving or' tu rning" over of the spinning cakes ina betternianner, the distance betwcenthe'grooves where the,spinning cakes of 'a washing stick are to be turned may be made a little greater than the others on themachine. This arrangement gives the necessary spacenot only for turning"v the cakes around, but also allows suflicient space for the revolving means and its movement. The greater, distance between the grooves requires anaddin l tr n porting; means atthis place which is actuated by means of the carrying frame to transport the washing stick, independently of the carrying frame, between these more widely separated grooves.

All the mechanisms for the driving of the movable carrying frames as well as for the side mechanisms may be coupled together and be driven from a single main drive shaft. ing of the main drive shaft should be intermittent and arranged in such a way that the movin periods are relatively short and the resting periods and dripping periods relatively long.

Under spinning cakes, which should be used according to this process and with the above arrangement, we understand such cakes as are produced by means of the centrifugal viscose spinning process and which have already been previously twisted. However, in the same-manner, more or less short or more or less crossed skeins or other kinds or yarn bodies, particularly if they are wrapped in the above mentioned covers, may be used. In the same way this process and the machine may also be used for the dripping treatment of spooled yarn with or without spools, provided that the yarn to be washed may be put together in some sort of transportable rows.

A showing of one arrangement is set forth in the accompanying sheets of drawings, in which:

Figure 1 is a cross-sectional view of the apparatus illustrating the cakes in position for treatment;

Figure 2 is a lengthwise cross-sectional view of the apparatus as shown in Figure 1;

Figures 3 through 6 show the transportation of the washing sticks from groove to groove on thefixed carrying ledges, Figure 5, including a fractional topplan view of the ends of the movable ledges.

Figures 7 through 10 show the arrangement for revolving or turning the cakes, and

Figures 11 and 12 are views of the intermittent driving arrangement of the machine.

As may be seen from Fig. 1, the spinning cakes are hung on carrying sticks (1), i. e. glass sticks,

rubber covered steel tubes, etc. These sticks rest with their ends on fixed rails (2), which have the necessary grooves for placing the sticks and,

are attached on both sides of the machine frame in rows. Lengthwise of this arrangement and above the cakes, dripping boxes (25) are installed. This arrangement has been chosen so that the cakes hanging one under the other receive a regular drip washing through the. respective drip boxes. forward lengthwise of the machine and thus passes through the entire arrangement. In this way the cakes pass one after the other all the different stages of the baths.

The transportation of the stickscontaining the cakes (1) according to Figures 1 and 2,is effected I on two fixed rails (2, 2) and two movable rails (3, 3), which rails have grooves on each side of the machine for placing the sticks. The mov-' able rails are connected with cranks (4, 4) in such a way that each point of these rails (3, 3) including also each groove--makes a full circle when the cranks (4, 4) are revolved. (See Figures 3 through 6.) If the grooves of the'movable rails describe an upper half circle, the sticks (1, 1) lying in these grooves are moved from one set of grooves of the fixed rail (2, 2) to the next following set of grooves. While the lower half circle is described, the sticks (1, 1) remain While The driv After a certain time the stick is moved making the full circle the movable rails also stand still for a certain period of time. This procedure is always repeated and thus the sticks pass through the entire machine in regular intervals. .L.

In order to make the machine-'more'efficient and to obtain the most economical use of the bath liquids, the above mentioned arrangement of the railsaccordingto Figures 1 and 2 is made in the form of rows on top of one another. The fixed rails (2, 2) are attached in a suitable manner to the fixed scaffold (5) whereas the movable rails (3, 3) are connected with a special frame scaffold (6) which is driven by the cranks (4, 4). This means a considerable simplifying of the driving as otherwise each rail row would have to have a special driving mechanism.

The considerable length of the washing machine requires also a corresponding length of the frame scaffold (6). The cranks (4, 4) would therefore have the very heavy onesided load, of the driving mechanism and motor when lifting the heavy frame. In order to obtain the proper balance, the frame (6) has been dividedintoa number of equal parts and the cranks which drive each' single part are shifted by 180 in relation to those of the next following part.. If one frame division goes upwards the next one goes downwards and a complete balancing of weight will result in the use of the cranks as far as the naked frame weight is concerned.

For the transportation of the sticks carrying thev cakes from one frame division to the-next following, the rail ends facingeach other are shifted sideways in the desired length according to Fig-.

corresponding groove of the fixed rail andthe first groove in the movable rail of the following frame division takes upthe stick and passes it on.

on the cranks, as shown on the attached illustrations.

In order to obtain a thorough washing it is pref erable that thecakes be revolved at regular in-.

and the small roller (10) describe the same circle as the pivot of the crank (4). The'pivot (11) and the smallbearing (12). are mountedon the fixed rail. A fork (13 is fixed on the pivot (9), the lower part of which may beshifted on pivot (11). The lever (14) is fixed on the inside and revolving drum (16) and at the end of'th lever (15) is the contacting surface for the small roll (10) The operation of this mechanism is as -follows:

The fork (13) at the beginning of the movement, during which the pivot (9) makes the first portion-of a revolution, catches the stick carry ing the cakes inthe groove (1'1) from below and deposits it at the'end of its path inthe groove (18) thereby laying the cakes carried on the stick v It may be mentioned thatthe frame scaffolds- (6) may rest upon the cranks instead of hanging lever 15) on the outside of the short axle of the bearing (12). 'At the end of the lever (14) is a on roll'(16) at thesame time. Until then the roll (16) remains in its lower. position. "As soon as the pivot (9) describes the lower circle or second portion of the revolution, the fork (13) returns empty and engagesgat the end of its path, thestick which has, in the meanwhile, arrivedin the-groove (17). While the pivot (9). describes the-lower circle, the small roller (10) makes the same movement and lifts the rol1....(-16) into itshighestposition by pressing onp the lever (15) In this way the cakes lyingon roller (16). .areturned around and fall back to the stick on groove (18) by which means the cakes have beenfcompletely revolved.

The peculiar dividing of the time between the motion and rest of the washingmachine drive (from a full turn of crank (4) inabout min. to a standstill of about 6-7 min.) requires a special arrangement for this drive. By the means of an electric time clock the electric motor may be stopped at the desired intervals. However, in this way it would be necessary to start the motor at full load. and on the other hand it would be diflicult to let the motor run for the specific time required togive the crank (4) exactly a full turn. In order to eliminate both these difficulties, the following arrangement shown in Figures 11-12, is proposed:

On the shaft (19) which is also the crank drive shaft, a sprocket wheel (20) is wedged in, and on both sides of this. sprocket wheel are two loose sprocket wheels (21) and (22) of the same size. Into these three sprocket wheels 2. triple endless chain (23) catches, the middle part of which has only as many bolts as the sprocket wheel (20) has teeth. The counter sprocket wheel (24) is fixed to the shaft (26) and has only two rings of teeth which engage the outer part of the triple chain. This enables the motor to start empty and at one turn of the chain the sprocket wheel (20) and also crank (4) turn around just once. Between the above mentioned installation as per Figures 11 and 12, and the electric motor drive, is a suitable transmission gear. The motor itself is regulated by an electric time clock for the necessary intervals of motions and rest.

Having fully described our invention as required by the patent statutes, what we desire to claim is:

1. Apparatus for wet-treating artificial filament masses comprising a plurality of sticks for carrying the filament masses, spaced stationary members having spaced grooves for seating the sticks, means for advancing the sticks to other grooves and effecting turning of the filament masses about the sticks, and means for applying fluid to the filaments.

2. Apparatus for wet-treating artificial filament masses comprising a plurality of sticks for carrying the filament masses, mesh means to wrap the masses, spaced stationary members having spaced grooves for seating the sticks, means for advancing the sticks to other grooves and effecting turning of the filament masses about half a revolution around the sticks, and means for conveying fluid to the filaments.

3. Apparatus for wet-treating artificial filaments comprising a plurality of sticks for carrying the filaments, spaced stationary members having spaced grooves for seating the sticks, spaced members generally parallel to said stationary members, means for lifting the secondnamed spaced members and advancing the sticks to other grooves, and means for applying fluid to the filaments.

4. Apparatus for wet-treating artificial filaments comprising a plurality ofsticks forcarrying the filaments, a plurality of pairs of spaced stationary members I located above one r another and having. opposed spaced grooves for, seating the sticks, means'comprising .aframe for -inter mittentlyylirting the sticks and-advancing them to other grooves, and means for conveying fluid to the filaments. w

-5.-Apparatus for wet-treating artificial filaments comprising a plurality, of sticks for carrying the filaments, a plurality of. pairs of spaced, stationary members located above one another and having opposed spaced'grooves for-seating the sticks, means comprising a frame for intermittently lifting the sticks and advancing them to other grooves, and means for. conveying fluid to the filaments, said last-named means comprising perforated trays above the topv rowof filaments for distributing treating liquid tothe filaments and above each remaining-row for receiving the drip therefrom and conveying it'to the filaments next below. "6. Apparatus for wet-treating artificial-villaments comprising a plurality of sticks for carry.- ing the filaments, a plurality of aligned units each includingspaced stationary members having spaced grooves for seating the sticks, movable members cooperating with each unit and adapted periodically'toycarry the sticks forward to other grooves and from one unit to another, and means for conveying fluid tozthe filaments. .1 i

7. An apparatus as defined in claim 6 in which the movable members of successively aligned units overlap.

8. An apparatus as defined in claim 6 in which a plurality of pairs of aligned movable members are actuated by the same means and are so positioned in relation to a. driving means that one half of the units are being raised while the other half are being lowered.

9. Apparatus for wet-treating artificial filaments comprising a plurality of sticks for carrying the filaments, a plurality of aligned units each including spaced, generally parallel, stationary members having spaced grooves for seating the sticks, movable members cooperating with each unit and adapted periodically to carry the sticks forward to other grooves and from one unit to another, means including crank arms for shifting said movable members, and means for conveying fluid to the filaments.

10. An apparatus as defined in claim 9 in which the cranks of succeeding units are driven by the same means and are positioned at an angle of 180 from the cranks of the preceding units.

11. An apparatus for wet-treating artificial filaments comprising a stick for carrying the filaments, means to support the stick adjacent either end thereof, means to move the stick to another position, and means operative during moving of the stick for turning the filaments about the stick.

12. An apparatus for wet-treating artificial filaments comprising a stick for carrying a loopshaped filament mass depending therefrom, means to advance the stick from one position to another, and means cooperating with the depending portion of the filament mass for lifting said depending portion in order to alter the position of the mass on the stick.

13. The combination as claimed in claim 12 wherein said last-named means comprises a roller adapted to engage the filament mass and lift the same while it is being moved.

' 14. The combination as claimed in claim 12 wherein said-last-named means is adapted to swing the filament mass through about 15. An apparatus as described comprising a pluralitynof members for. carrying filament masses, spacedv stationary members adapted to support saidcarrying members, spaced movable members adapted to lift said carrying members and advance them to new positions upon said stationary 1 'members, and means cooperating therewith for subjecting said filament masses to liquid treatment. v 16-.=An apparatus as described comprising a plurality of members for carrying filament masses, spaced stationary members adapted to support said carrying members, spaced movable members having their end portions supported by cranks extending in the same direction from rotatable parallel shafts, means for rotating said shafts a-definite' angle, and means cooperating with said carrying members for subjecting said filament masses to liquid treatmentl 1'1. An apparatus as defined in claim 16 comprising means for reducing the starting loads upon the rotating means when the latter is operated intermittently.

'18. Annapparatus as defined in claim 16 in which the's'aid shafts are rotated through 360by means ofvadrive shaft having a pair of spaced chain sprockets fixed for rotationwith it, a shaft adaptedto rotate said cranks and having a pair of spaced sprockets rotatably mounted thereon,

spaced endless chains around said pairs of sprockets, a sprocket fixed to said crank rotating shaft between the rotatably mounted sprockets, and vmeans connecting said spaced chains throughouta'portion of their length for contacting with :the teeth of said intermediate sprocket to rotate the same sufliciently to give the desired rotation to the said cranks.

- :19. Anapparatus of the class described comprising a stick for carrying a loop-shaped filamentmass depending therefrom, a pair of stationaryvmembers adapted to support said stick, a pair of longitudinally rotating members, and. a pair of levers pivoted opposite each other on said longitudinally rotating members and guided by pins in said stationary members, said levers having seats in their outer end portions adapted to receive the stick and carry it from one position on the stationary bars to another.

20. An apparatus as defined in claim 19 comprising also a pair of levers pivoted opposite each other on the stationary members and actuated by pins on said movable members to lift the'depending portion of the filament mass advanced by the levers pivoted upon the movable members. t

FERDINAND RATHGEBER. WALTER SCHULZ.

VIKTOR BEPLATE. ADOLF RUESCH. 

